condition mean min max Sterile Frond 1.4159300000000001 0.0 4.24779 Fertile Frond 0.98495 0.0 2.95485 Young Stem with Root 0.9735900000000001 0.0 2.92077 Mature Stem with Root 0.9365966666666666 0.0 2.80979 Root 2.4602666666666666 0.0 7.3808